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Ddos is inevitable. Until exchanges beef up servers it will keep happening.

There is bugger all one can do about DDoS, really, without a huge investment in DDoS mitigation services (the "free tier" of CloudFlare probably won't cut it for an exchange...). Launching a DDoS attack is cheap for attackers, whereas mitigating or defending against them is hard.

how about decentralized exchanges? is it the future?